3² × 5 × 21739

Prime Factor Structure

Factorization String 3^2 × 5 × 21739

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,695,720

Proper Divisor Sum 717,465

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #978239 ← → #978269

1 3 5 9 15 45 21,739 65,217 108,695 195,651 326,085 978,255

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

978,255 2,934,766 1,467,383 4,402,150 2,201,075 6,603,226 3,301,613 9,904,840 4,952,420 2,476,210 1,238,105 3,714,316 1,857,158 928,579 2,785,738 1,392,869 4,178,608 2,089,304 1,044,652 522,326 261,163 783,490 391,745 1,175,236 587,618 293,809 881,428 440,714 220,357 661,072 330,536 165,268 82,634 41,317 123,952 61,976 30,988 15,494 7,747 23,242 11,621 34,864 17,432 8,716 4,358 2,179 6,538 3,269 9,808 4,904 2,452 1,226 613 1,840 920 460 230 115 346 173

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.